Collectible coins encompass a variety of types, including patterns and trial coins, which are often produced to test a new design or technology before mass production. In the United States, the 1881 One Cent Penny was minted in Philadelphia and is noteworthy among collectors for its unique design elements and historical significance. Such coins can have varying values based on their rarity, condition, and demand within the numismatic community.

Item Denomination Series Year Mint
United States of America 1881 Philadelphia Patterns & Trial Coins 1¢ 1¢ (One Cent, Penny) Patterns & Trial Coins 1881 Philadelphia